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Blood Circulation in Humans a Video animation

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- March 31, 2021

Blood Circulation in Humans explained by the video animation

Medical Animation

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A "Super Magnetic Field" Can be Created on the Earth, Which is Equivalent to a Black Hole Magnetic Field

- October 11, 2020

Beijing time October 10 news, according to foreign media reports, the latest research shows that scientists should be able to create a "super magnetic field" on the earth, equivalent to the magnetic field strength of black holes and neutron stars. According to the latest research report by Masakatsu Murakami, an engineer at Osaka University in Japan, and his colleagues, bombarding microtubes with lasers can generate very strong magnetic fields, which will be of great significance for the development of basic physics, materials science and astronomy research. On October 6, this research paper was published in the open access journal "Scientific Reports". Most of the magnetic fields on the earth, even artificial ones, are not particularly strong. Magnetic resonance imaging (MRI) used in hospitals usually produces 1 Tesla (equivalent to 10,000 Gauss). In comparison, the magnetic field generated by the compass needle swinging northward is 0.3-0.5 Gauss, which is the m...

Oracle Linux 7.9 released: Based on Linux 5.4 LTS and UEK 6 Enterprise Kernel Construction

- October 10, 2020

As for the Linux 5.4 LTS long-term support kernel, it has introduced many new features and improvements to provide first-class hardware support. For example, use zero-copy network to improve network performance, support Btrfs / OCFS2 file system and DTrace, as well as security enhancement and virtualization support for AArch64 (ARM64) platform. UEK Release 6 includes all Cgroup v2 features of Linux 5.4 LTS, a new parallel optimization framework for CPU-intensive work, and kswapd and kexec for verifying the signature of kernel images. In addition, it supports NFS network file transfer, and can treat persistent memory as traditional RAM NVDIMM, NVMe structure/multipath support, pass-through commands, namespace write protection, and asynchronous namespace access improvements. Users who are currently using Oracle 7 major versions can obtain the Update 9 update through the official resource repository, or visit the official website to download the complete ISO installation image of Or...

Samsung Releases Galaxy A42 5G New Mobile

- October 13, 2020

After continuing with the Galaxy A51 5G, Samsung launched a new entry-level Galaxy A42 5G that is more affordable. The listing price of the former is 429 pounds (US $500), but the latter is only 349 pounds (about 3070 RMB). Although the price has been reduced by 80 pounds, the Galaxy A42 still uses the Snapdragon 750G mid-range chipset newly released by Qualcomm last month. (From: Samsung official website) Compared with the Snapdragon 730G used on Google Pixel 4a and other devices, the performance of the 750G chipset is slightly improved, but it is still not as good as the Snapdragon 765G SoC carried by competing products such as Pixel 4a 5G / OnePlus Nord. In addition, Samsung equipped the new Galaxy A42 5G with a 6.6-inch drop-shaped OLED screen, a front 20MP single camera, and a rear 48MP main camera + 8MP ultra wide-angle + 5MP macro + 5MP depth sensor. The machine can choose 4GB / 8GB RAM + 128GB ROM storage combination (support microSD expansion), support fingerprint recognition ...